diff options
Diffstat (limited to 'Lib/turtle.py')
| -rw-r--r-- | Lib/turtle.py | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/Lib/turtle.py b/Lib/turtle.py index 1355d56..6f06059 100644 --- a/Lib/turtle.py +++ b/Lib/turtle.py @@ -778,7 +778,7 @@ class TurtleScreenBase(object): # needs amendment if not isinstance(self.cv, ScrolledCanvas): return self.canvwidth, self.canvheight - if canvwidth is None and canvheight is None and bg is None: + if canvwidth is canvheight is bg is None: return self.cv.canvwidth, self.cv.canvheight if canvwidth is not None: self.canvwidth = canvwidth @@ -1046,7 +1046,7 @@ class TurtleScreen(TurtleScreenBase): >>> mode() 'logo' """ - if mode == None: + if mode is None: return self._mode mode = mode.lower() if mode not in ["standard", "logo", "world"]: @@ -1385,7 +1385,7 @@ class TurtleScreen(TurtleScreenBase): ### repeatedly pressing the up-arrow key, ### consequently drawing a hexagon """ - if fun == None: + if fun is None: if key in self._keys: self._keys.remove(key) elif key not in self._keys: @@ -1418,7 +1418,7 @@ class TurtleScreen(TurtleScreenBase): ### or by keeping pressed the up-arrow key. ### consequently drawing a hexagon. """ - if fun == None: + if fun is None: if key in self._keys: self._keys.remove(key) elif key is not None and key not in self._keys: @@ -1540,7 +1540,7 @@ class TNavigator(object): def _setmode(self, mode=None): """Set turtle-mode to 'standard', 'world' or 'logo'. """ - if mode == None: + if mode is None: return self._mode if mode not in ["standard", "logo", "world"]: return @@ -2795,7 +2795,7 @@ class RawTurtle(TPen, TNavigator): >>> turtle.shapesize(5, 5, 12) >>> turtle.shapesize(outline=8) """ - if stretch_wid is stretch_len is outline == None: + if stretch_wid is stretch_len is outline is None: stretch_wid, stretch_len = self._stretchfactor return stretch_wid, stretch_len, self._outlinewidth if stretch_wid == 0 or stretch_len == 0: |